400W, 80 Plus Bronze, Non-Modular, Temperature Controlled, 2 x 12V Rail, Black Sleeved Cables, 3-Year Warranty
£42.98 inc vat
£35.82 ex vat
Order Code: BQ-BN245
be quiet! System Power 9 400W offers renowned be quiet! reliability and quietness for price-conscious PC builders.
System Power 9 400W is equipped with a temperature-controlled 120mm fan. It provides you with the low noise operation that be quiet! is famous for, built into an entry-level system.
The 80PLUS® Bronze certification is convincing evidence of this PSU’s efficient and power saving operation. It is a remarkable achievement for this class of PSU, realizing an efficiency rating of up to 89%.
System Power 9 400W provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with two PCI express connectors for multi-GPU systems.
The PSU is equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation and makes it ready for the next generation of processors and graphics cards.
System Power 9 400W comes with full high-quality black sleeved cables that add a touch of class to any PC system.
Top component protection with a full suite of safety functions, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation.
|12V rails (multi-rail operation)||2|
|12V single rail operation||-|
|Max. combined power 12V (W)||384|
|Max. combined power 3.3V + 5V (W)||103|
|Hold-up time (ms @ 100%)||17 @ 75% load|
|Fan type||high-quality fan|
|Motor technology||4-pole fan motor|
|Fan size (mm)||120|
|Max. fan speed (rpm), temperature-dependent||1,800|
|Temperature control for case fans||-|
|dB(A) at 20% load||9.5|
|dB(A) at 50% load||10.4|
|dB(A) at 100% load||18.6|
|OCP (over current protection)||Yes|
|OVP (over voltage protection)||Yes|
|UVP (under voltage protection)||Yes|
|SCP (short circuit protection)||Yes|
|OTP (over temperature protection)||Yes|
|OPP (over power protection)||Yes|
|80PLUS certification||Bronze (230V EU internal)|
|Efficiency (%) at 230V, 20% load||86|
|Efficiency (%) at 230V, 50% load||89|
|Efficiency (%) at 230V, 100% load||88|
|Modular cable management||-|
|Cable length to mainboard (cm)||45|
|Cable length to first connector (cm)||35|
|Maximum cable length (cm)||91|
|All-in-one cable (SATA/PATA/FDD)||-|
|No. of cables||5|
|PCI-E 6-pin (GPU)||-|
|PCI-E 6+2-pin (GPU)||2|
|SATA 15-pin (HDD, Drives)||5|
|External fan connectors||-|
|Dimensions without cable (L x W x D), (mm)||140 x 150 x 86|
|Velcro cable ties||-|
|Box/Bag for PSU/Cables||-|
|User manual languages||EN, DE, FR, PL, ES, RU|
|OCK slot bracket with switch / OCK jumper||-|
|SFX-to-ATX adapter bracket||-|
|Express replacement service in first year||-|
|International hotline / free of charge||Yes / DE, FR|
|Dimensions, package (L x W x H), (mm)||268 x 97 x 195|
|Gross weight, package (kg)||2.1|
|Pieces per packaging unit||6|
|Dimensions, shipping box (L x W x H), (mm)||215 x 311 x 556|
|Gross weight, shipping box (kg)||12.9|
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